Here is how Hardin describes the "lifeboat" of our world: "If we divide the world crudely into rich nations and poor nations, two thirds of them are desperately poor, and only one third comparatively rich, with the United States the wealthiest of all. Good luck :)
Even though there isn't a passage, the things you would be looking for in third person omniscient is that the narrator has the facts plus ALL character's thoughts and feelings.
